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Finding the Fourth Proportional to 194,871.52, 292,315.50 and 61,748.83

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Solution

The fourth proportional to 194,871.52, 292,315.50 and 61,748.83 is: 92,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,871.52 : 292,315.50 = 61,748.83 : x
  2. Step 2: Convert to fraction form
    194,871.52/292,315.50 = 61,748.83/x
  3. Step 3: Cross multiply
    194,871.52x = 292,315.50 × 61,748.83
  4. Step 4: Simplify right side
    194,871.52x = 18,050,140,115.87
  5. Step 5: Solve for x
    x = 18,050,140,115.87/194,871.52
  6. Step 6: Final answer
    x = 92,625.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.